How far is Haiphong from Nanchong?
There are several ways to calculate distances between Nanchong and Haiphong. Here are two common methods:Vincenty's formula (applied above)
- 685.135 miles
- 1102.618 kilometers
- 595.366 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 687.648 miles
- 1106.663 kilometers
- 597.550 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Estimated flight time from Nanchong Gaoping Airport (NAO) to Cat Bi International Airport (HPH) is 1 hour 47 minutes.
Time difference and current local times
The time difference between Nanchong and Haiphong is 1 hour. Haiphong is 1 hour behind Nanchong.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 123 kg (271 pounds).
Nanchong to Haiphong flight map.
Frequent Flyer Miles Calculator
Nanchong (NAO) → Haiphong (HPH).